package com.tanhua.sso.service;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.tanhua.sso.mapper.UserMapper;
import com.tanhua.sso.pojo.User;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.rocketmq.spring.core.RocketMQTemplate;
import org.joda.time.DateTime;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.messaging.MessagingException;
import org.springframework.stereotype.Service;

import java.util.HashMap;
import java.util.Map;

@Service
@Slf4j
public class UserService {
    @Autowired
    private RedisTemplate<String,String> redisTemplate;
    @Autowired
    private UserMapper userMapper;
    @Value("${jwt.secret}")
    private String secret;
    @Autowired
    private RocketMQTemplate rocketMQTemplate;
    public String login(String phone, String code) {
        String redisKey = "CHECK_CODE_" + phone;
        boolean isNew = false;
        String redisData = redisTemplate.opsForValue().get(redisKey);
        if (!StringUtils.equals(code,redisData)){
            return null;
        }
        this.redisTemplate.delete(redisKey);
        QueryWrapper<User> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("mobile",phone);
        User user = userMapper.selectOne(queryWrapper);
        if (null==user){
            user = new User();
            user.setMobile(phone);
            user.setPassword(DigestUtils.md5Hex("123456"));
            userMapper.insert(user);
            isNew = true;
        }
        Map<String,Object> claims = new HashMap<>();
        claims.put("id",user.getId());
        String token = Jwts.builder()
                .setClaims(claims)
                .signWith(SignatureAlgorithm.HS256, secret)
                .setExpiration(new DateTime().plusHours(12).toDate())
                .compact();
        try {
            //发送用户登录成功的消息
            Map<String,Object> msg = new HashMap<>();
            msg.put("id", user.getId());
            msg.put("date", System.currentTimeMillis());

            this.rocketMQTemplate.convertAndSend("tanhua-sso-login", msg);
        } catch (MessagingException e) {
            log.error("发送消息失败！", e);
        }

        return token + "|" + isNew;
    }
}
